"I want to congratulate Hillary Clinton on making history as the presumptive Democratic nominee for president of the United States," he said in the video. "Look, I know how hard this job will be. That's why I know Hillary will be good at it. In fact, I don't think there's even been someone so qualified to ever hold this office."

"I have seen her judgment," he continued. "I've seen her toughness. I've seen her commitment to our values up close. I'm with her. I am fired up and I cannot wait to get out there and campaign for Hillary."

The video was recorded earlier this week but was set for release after the president met with Bernie Sanders at the White House, CBS News reported.

Sanders met with President Obama for nearly an hour Thursday morning. They spoke about the level of support Sanders has drummed up throughout his campaign and how he can keep his policies in the spotlight.